Java example source code file (TCKTemporalAdjusters.java)
The TCKTemporalAdjusters.java Java example source code/*
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/*
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*
* Copyright (c) 2007-2012, Stephen Colebourne & Michael Nascimento Santos
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package tck.java.time.temporal;
import static java.time.DayOfWeek.MONDAY;
import static java.time.DayOfWeek.TUESDAY;
import static java.time.Month.DECEMBER;
import static java.time.Month.JANUARY;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertFalse;
import static org.testng.Assert.assertNotNull;
import static org.testng.Assert.assertSame;
import static org.testng.Assert.assertTrue;
import java.time.DayOfWeek;
import java.time.LocalDate;
import java.time.Month;
import java.time.temporal.TemporalAdjuster;
import java.time.temporal.TemporalAdjusters;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
/**
* Test TemporalAdjusters.
*/
@Test
public class TCKTemporalAdjusters {
//-----------------------------------------------------------------------
// ofDateAdjuster()
//-----------------------------------------------------------------------
@Test
public void factory_ofDateAdjuster() {
TemporalAdjuster test = TemporalAdjusters.ofDateAdjuster(date -> date.plusDays(2));
assertEquals(LocalDate.of(2012, 6, 30).with(test), LocalDate.of(2012, 7, 2));
}
@Test(expectedExceptions = NullPointerException.class)
public void factory_ofDateAdjuster_null() {
TemporalAdjusters.ofDateAdjuster(null);
}
//-----------------------------------------------------------------------
// firstDayOfMonth()
//-----------------------------------------------------------------------
@Test
public void factory_firstDayOfMonth() {
assertNotNull(TemporalAdjusters.firstDayOfMonth());
}
@Test
public void test_firstDayOfMonth_nonLeap() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(false); i++) {
LocalDate date = date(2007, month, i);
LocalDate test = (LocalDate) TemporalAdjusters.firstDayOfMonth().adjustInto(date);
assertEquals(test.getYear(), 2007);
assertEquals(test.getMonth(), month);
assertEquals(test.getDayOfMonth(), 1);
}
}
}
@Test
public void test_firstDayOfMonth_leap() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(true); i++) {
LocalDate date = date(2008, month, i);
LocalDate test = (LocalDate) TemporalAdjusters.firstDayOfMonth().adjustInto(date);
assertEquals(test.getYear(), 2008);
assertEquals(test.getMonth(), month);
assertEquals(test.getDayOfMonth(), 1);
}
}
}
//-----------------------------------------------------------------------
// lastDayOfMonth()
//-----------------------------------------------------------------------
@Test
public void factory_lastDayOfMonth() {
assertNotNull(TemporalAdjusters.lastDayOfMonth());
}
@Test
public void test_lastDayOfMonth_nonLeap() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(false); i++) {
LocalDate date = date(2007, month, i);
LocalDate test = (LocalDate) TemporalAdjusters.lastDayOfMonth().adjustInto(date);
assertEquals(test.getYear(), 2007);
assertEquals(test.getMonth(), month);
assertEquals(test.getDayOfMonth(), month.length(false));
}
}
}
@Test
public void test_lastDayOfMonth_leap() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(true); i++) {
LocalDate date = date(2008, month, i);
LocalDate test = (LocalDate) TemporalAdjusters.lastDayOfMonth().adjustInto(date);
assertEquals(test.getYear(), 2008);
assertEquals(test.getMonth(), month);
assertEquals(test.getDayOfMonth(), month.length(true));
}
}
}
//-----------------------------------------------------------------------
// firstDayOfNextMonth()
//-----------------------------------------------------------------------
@Test
public void factory_firstDayOfNextMonth() {
assertNotNull(TemporalAdjusters.firstDayOfNextMonth());
}
@Test
public void test_firstDayOfNextMonth_nonLeap() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(false); i++) {
LocalDate date = date(2007, month, i);
LocalDate test = (LocalDate) TemporalAdjusters.firstDayOfNextMonth().adjustInto(date);
assertEquals(test.getYear(), month == DECEMBER ? 2008 : 2007);
assertEquals(test.getMonth(), month.plus(1));
assertEquals(test.getDayOfMonth(), 1);
}
}
}
@Test
public void test_firstDayOfNextMonth_leap() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(true); i++) {
LocalDate date = date(2008, month, i);
LocalDate test = (LocalDate) TemporalAdjusters.firstDayOfNextMonth().adjustInto(date);
assertEquals(test.getYear(), month == DECEMBER ? 2009 : 2008);
assertEquals(test.getMonth(), month.plus(1));
assertEquals(test.getDayOfMonth(), 1);
}
}
}
//-----------------------------------------------------------------------
// firstDayOfYear()
//-----------------------------------------------------------------------
@Test
public void factory_firstDayOfYear() {
assertNotNull(TemporalAdjusters.firstDayOfYear());
}
@Test
public void test_firstDayOfYear_nonLeap() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(false); i++) {
LocalDate date = date(2007, month, i);
LocalDate test = (LocalDate) TemporalAdjusters.firstDayOfYear().adjustInto(date);
assertEquals(test.getYear(), 2007);
assertEquals(test.getMonth(), Month.JANUARY);
assertEquals(test.getDayOfMonth(), 1);
}
}
}
@Test
public void test_firstDayOfYear_leap() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(true); i++) {
LocalDate date = date(2008, month, i);
LocalDate test = (LocalDate) TemporalAdjusters.firstDayOfYear().adjustInto(date);
assertEquals(test.getYear(), 2008);
assertEquals(test.getMonth(), Month.JANUARY);
assertEquals(test.getDayOfMonth(), 1);
}
}
}
//-----------------------------------------------------------------------
// lastDayOfYear()
//-----------------------------------------------------------------------
@Test
public void factory_lastDayOfYear() {
assertNotNull(TemporalAdjusters.lastDayOfYear());
}
@Test
public void test_lastDayOfYear_nonLeap() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(false); i++) {
LocalDate date = date(2007, month, i);
LocalDate test = (LocalDate) TemporalAdjusters.lastDayOfYear().adjustInto(date);
assertEquals(test.getYear(), 2007);
assertEquals(test.getMonth(), Month.DECEMBER);
assertEquals(test.getDayOfMonth(), 31);
}
}
}
@Test
public void test_lastDayOfYear_leap() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(true); i++) {
LocalDate date = date(2008, month, i);
LocalDate test = (LocalDate) TemporalAdjusters.lastDayOfYear().adjustInto(date);
assertEquals(test.getYear(), 2008);
assertEquals(test.getMonth(), Month.DECEMBER);
assertEquals(test.getDayOfMonth(), 31);
}
}
}
//-----------------------------------------------------------------------
// firstDayOfNextYear()
//-----------------------------------------------------------------------
@Test
public void factory_firstDayOfNextYear() {
assertNotNull(TemporalAdjusters.firstDayOfNextYear());
}
@Test
public void test_firstDayOfNextYear_nonLeap() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(false); i++) {
LocalDate date = date(2007, month, i);
LocalDate test = (LocalDate) TemporalAdjusters.firstDayOfNextYear().adjustInto(date);
assertEquals(test.getYear(), 2008);
assertEquals(test.getMonth(), JANUARY);
assertEquals(test.getDayOfMonth(), 1);
}
}
}
@Test
public void test_firstDayOfNextYear_leap() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(true); i++) {
LocalDate date = date(2008, month, i);
LocalDate test = (LocalDate) TemporalAdjusters.firstDayOfNextYear().adjustInto(date);
assertEquals(test.getYear(), 2009);
assertEquals(test.getMonth(), JANUARY);
assertEquals(test.getDayOfMonth(), 1);
}
}
}
//-----------------------------------------------------------------------
// dayOfWeekInMonth()
//-----------------------------------------------------------------------
@Test
public void factory_dayOfWeekInMonth() {
assertNotNull(TemporalAdjusters.dayOfWeekInMonth(1, MONDAY));
}
@Test(expectedExceptions=NullPointerException.class)
public void factory_dayOfWeekInMonth_nullDayOfWeek() {
TemporalAdjusters.dayOfWeekInMonth(1, null);
}
@DataProvider(name = "dayOfWeekInMonth_positive")
Object[][] data_dayOfWeekInMonth_positive() {
return new Object[][] {
{2011, 1, TUESDAY, date(2011, 1, 4)},
{2011, 2, TUESDAY, date(2011, 2, 1)},
{2011, 3, TUESDAY, date(2011, 3, 1)},
{2011, 4, TUESDAY, date(2011, 4, 5)},
{2011, 5, TUESDAY, date(2011, 5, 3)},
{2011, 6, TUESDAY, date(2011, 6, 7)},
{2011, 7, TUESDAY, date(2011, 7, 5)},
{2011, 8, TUESDAY, date(2011, 8, 2)},
{2011, 9, TUESDAY, date(2011, 9, 6)},
{2011, 10, TUESDAY, date(2011, 10, 4)},
{2011, 11, TUESDAY, date(2011, 11, 1)},
{2011, 12, TUESDAY, date(2011, 12, 6)},
};
}
@Test(dataProvider = "dayOfWeekInMonth_positive")
public void test_dayOfWeekInMonth_positive(int year, int month, DayOfWeek dow, LocalDate expected) {
for (int ordinal = 1; ordinal <= 5; ordinal++) {
for (int day = 1; day <= Month.of(month).length(false); day++) {
LocalDate date = date(year, month, day);
LocalDate test = (LocalDate) TemporalAdjusters.dayOfWeekInMonth(ordinal, dow).adjustInto(date);
assertEquals(test, expected.plusWeeks(ordinal - 1));
}
}
}
@DataProvider(name = "dayOfWeekInMonth_zero")
Object[][] data_dayOfWeekInMonth_zero() {
return new Object[][] {
{2011, 1, TUESDAY, date(2010, 12, 28)},
{2011, 2, TUESDAY, date(2011, 1, 25)},
{2011, 3, TUESDAY, date(2011, 2, 22)},
{2011, 4, TUESDAY, date(2011, 3, 29)},
{2011, 5, TUESDAY, date(2011, 4, 26)},
{2011, 6, TUESDAY, date(2011, 5, 31)},
{2011, 7, TUESDAY, date(2011, 6, 28)},
{2011, 8, TUESDAY, date(2011, 7, 26)},
{2011, 9, TUESDAY, date(2011, 8, 30)},
{2011, 10, TUESDAY, date(2011, 9, 27)},
{2011, 11, TUESDAY, date(2011, 10, 25)},
{2011, 12, TUESDAY, date(2011, 11, 29)},
};
}
@Test(dataProvider = "dayOfWeekInMonth_zero")
public void test_dayOfWeekInMonth_zero(int year, int month, DayOfWeek dow, LocalDate expected) {
for (int day = 1; day <= Month.of(month).length(false); day++) {
LocalDate date = date(year, month, day);
LocalDate test = (LocalDate) TemporalAdjusters.dayOfWeekInMonth(0, dow).adjustInto(date);
assertEquals(test, expected);
}
}
@DataProvider(name = "dayOfWeekInMonth_negative")
Object[][] data_dayOfWeekInMonth_negative() {
return new Object[][] {
{2011, 1, TUESDAY, date(2011, 1, 25)},
{2011, 2, TUESDAY, date(2011, 2, 22)},
{2011, 3, TUESDAY, date(2011, 3, 29)},
{2011, 4, TUESDAY, date(2011, 4, 26)},
{2011, 5, TUESDAY, date(2011, 5, 31)},
{2011, 6, TUESDAY, date(2011, 6, 28)},
{2011, 7, TUESDAY, date(2011, 7, 26)},
{2011, 8, TUESDAY, date(2011, 8, 30)},
{2011, 9, TUESDAY, date(2011, 9, 27)},
{2011, 10, TUESDAY, date(2011, 10, 25)},
{2011, 11, TUESDAY, date(2011, 11, 29)},
{2011, 12, TUESDAY, date(2011, 12, 27)},
};
}
@Test(dataProvider = "dayOfWeekInMonth_negative")
public void test_dayOfWeekInMonth_negative(int year, int month, DayOfWeek dow, LocalDate expected) {
for (int ordinal = 0; ordinal < 5; ordinal++) {
for (int day = 1; day <= Month.of(month).length(false); day++) {
LocalDate date = date(year, month, day);
LocalDate test = (LocalDate) TemporalAdjusters.dayOfWeekInMonth(-1 - ordinal, dow).adjustInto(date);
assertEquals(test, expected.minusWeeks(ordinal));
}
}
}
//-----------------------------------------------------------------------
// firstInMonth()
//-----------------------------------------------------------------------
@Test
public void factory_firstInMonth() {
assertNotNull(TemporalAdjusters.firstInMonth(MONDAY));
}
@Test(expectedExceptions=NullPointerException.class)
public void factory_firstInMonth_nullDayOfWeek() {
TemporalAdjusters.firstInMonth(null);
}
@Test(dataProvider = "dayOfWeekInMonth_positive")
public void test_firstInMonth(int year, int month, DayOfWeek dow, LocalDate expected) {
for (int day = 1; day <= Month.of(month).length(false); day++) {
LocalDate date = date(year, month, day);
LocalDate test = (LocalDate) TemporalAdjusters.firstInMonth(dow).adjustInto(date);
assertEquals(test, expected, "day-of-month=" + day);
}
}
//-----------------------------------------------------------------------
// lastInMonth()
//-----------------------------------------------------------------------
@Test
public void factory_lastInMonth() {
assertNotNull(TemporalAdjusters.lastInMonth(MONDAY));
}
@Test(expectedExceptions=NullPointerException.class)
public void factory_lastInMonth_nullDayOfWeek() {
TemporalAdjusters.lastInMonth(null);
}
@Test(dataProvider = "dayOfWeekInMonth_negative")
public void test_lastInMonth(int year, int month, DayOfWeek dow, LocalDate expected) {
for (int day = 1; day <= Month.of(month).length(false); day++) {
LocalDate date = date(year, month, day);
LocalDate test = (LocalDate) TemporalAdjusters.lastInMonth(dow).adjustInto(date);
assertEquals(test, expected, "day-of-month=" + day);
}
}
//-----------------------------------------------------------------------
// next()
//-----------------------------------------------------------------------
@Test
public void factory_next() {
assertNotNull(TemporalAdjusters.next(MONDAY));
}
@Test(expectedExceptions = NullPointerException.class)
public void factory_next_nullDayOfWeek() {
TemporalAdjusters.next(null);
}
@Test
public void test_next() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(false); i++) {
LocalDate date = date(2007, month, i);
for (DayOfWeek dow : DayOfWeek.values()) {
LocalDate test = (LocalDate) TemporalAdjusters.next(dow).adjustInto(date);
assertSame(test.getDayOfWeek(), dow, date + " " + test);
if (test.getYear() == 2007) {
int dayDiff = test.getDayOfYear() - date.getDayOfYear();
assertTrue(dayDiff > 0 && dayDiff < 8);
} else {
assertSame(month, Month.DECEMBER);
assertTrue(date.getDayOfMonth() > 24);
assertEquals(test.getYear(), 2008);
assertSame(test.getMonth(), Month.JANUARY);
assertTrue(test.getDayOfMonth() < 8);
}
}
}
}
}
//-----------------------------------------------------------------------
// nextOrSame()
//-----------------------------------------------------------------------
@Test
public void factory_nextOrCurrent() {
assertNotNull(TemporalAdjusters.nextOrSame(MONDAY));
}
@Test(expectedExceptions = NullPointerException.class)
public void factory_nextOrCurrent_nullDayOfWeek() {
TemporalAdjusters.nextOrSame(null);
}
@Test
public void test_nextOrCurrent() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(false); i++) {
LocalDate date = date(2007, month, i);
for (DayOfWeek dow : DayOfWeek.values()) {
LocalDate test = (LocalDate) TemporalAdjusters.nextOrSame(dow).adjustInto(date);
assertSame(test.getDayOfWeek(), dow);
if (test.getYear() == 2007) {
int dayDiff = test.getDayOfYear() - date.getDayOfYear();
assertTrue(dayDiff < 8);
assertEquals(date.equals(test), date.getDayOfWeek() == dow);
} else {
assertFalse(date.getDayOfWeek() == dow);
assertSame(month, Month.DECEMBER);
assertTrue(date.getDayOfMonth() > 24);
assertEquals(test.getYear(), 2008);
assertSame(test.getMonth(), Month.JANUARY);
assertTrue(test.getDayOfMonth() < 8);
}
}
}
}
}
//-----------------------------------------------------------------------
// previous()
//-----------------------------------------------------------------------
@Test
public void factory_previous() {
assertNotNull(TemporalAdjusters.previous(MONDAY));
}
@Test(expectedExceptions = NullPointerException.class)
public void factory_previous_nullDayOfWeek() {
TemporalAdjusters.previous(null);
}
@Test
public void test_previous() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(false); i++) {
LocalDate date = date(2007, month, i);
for (DayOfWeek dow : DayOfWeek.values()) {
LocalDate test = (LocalDate) TemporalAdjusters.previous(dow).adjustInto(date);
assertSame(test.getDayOfWeek(), dow, date + " " + test);
if (test.getYear() == 2007) {
int dayDiff = test.getDayOfYear() - date.getDayOfYear();
assertTrue(dayDiff < 0 && dayDiff > -8, dayDiff + " " + test);
} else {
assertSame(month, Month.JANUARY);
assertTrue(date.getDayOfMonth() < 8);
assertEquals(test.getYear(), 2006);
assertSame(test.getMonth(), Month.DECEMBER);
assertTrue(test.getDayOfMonth() > 24);
}
}
}
}
}
//-----------------------------------------------------------------------
// previousOrSame()
//-----------------------------------------------------------------------
@Test
public void factory_previousOrCurrent() {
assertNotNull(TemporalAdjusters.previousOrSame(MONDAY));
}
@Test(expectedExceptions = NullPointerException.class)
public void factory_previousOrCurrent_nullDayOfWeek() {
TemporalAdjusters.previousOrSame(null);
}
@Test
public void test_previousOrCurrent() {
for (Month month : Month.values()) {
for (int i = 1; i <= month.length(false); i++) {
LocalDate date = date(2007, month, i);
for (DayOfWeek dow : DayOfWeek.values()) {
LocalDate test = (LocalDate) TemporalAdjusters.previousOrSame(dow).adjustInto(date);
assertSame(test.getDayOfWeek(), dow);
if (test.getYear() == 2007) {
int dayDiff = test.getDayOfYear() - date.getDayOfYear();
assertTrue(dayDiff <= 0 && dayDiff > -7);
assertEquals(date.equals(test), date.getDayOfWeek() == dow);
} else {
assertFalse(date.getDayOfWeek() == dow);
assertSame(month, Month.JANUARY);
assertTrue(date.getDayOfMonth() < 7);
assertEquals(test.getYear(), 2006);
assertSame(test.getMonth(), Month.DECEMBER);
assertTrue(test.getDayOfMonth() > 25);
}
}
}
}
}
private LocalDate date(int year, Month month, int day) {
return LocalDate.of(year, month, day);
}
private LocalDate date(int year, int month, int day) {
return LocalDate.of(year, month, day);
}
}
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